Possibility of conception?

My husband and I are TTC- this is the first time. I know it may take time so I’m not expecting it to happen the first time. Peak ovulation was detected Wednesday and Thursday morning ... however my husband farms (it’s been a crappy year here) so we weren’t able to BD until last night (day after ovulation) and this morning. Is it highly unlikely to have it happen day after ovulation (the app told me 8%)